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Finding the Fourth Proportional to 471,653.88, 650,878.44 and 256,793.52

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Solution

The fourth proportional to 471,653.88, 650,878.44 and 256,793.52 is: 354,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,653.88 : 650,878.44 = 256,793.52 : x
  2. Step 2: Convert to fraction form
    471,653.88/650,878.44 = 256,793.52/x
  3. Step 3: Cross multiply
    471,653.88x = 650,878.44 × 256,793.52
  4. Step 4: Simplify right side
    471,653.88x = 167,141,365,699.71
  5. Step 5: Solve for x
    x = 167,141,365,699.71/471,653.88
  6. Step 6: Final answer
    x = 354,372.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.